己知/x-3/+根号y+5=0则2x+y
问题描述:
己知/x-3/+根号y+5=0则2x+y
答
x=3,y=-5
2x+y=1
己知/x-3/+根号y+5=0则2x+y
x=3,y=-5
2x+y=1